# CVE-2018-11776

Apache Struts versions 2.3 to 2.3.34 and 2.5 to 2.5.16 suffer from possible Remote Code Execution when alwaysSelectFullNamespace is true (either by user or a plugin like Convention Plugin) and then: results are used with no namespace and in same time, its upper package have no or wildcard namespace and similar to results, same possibility when using url tag which doesn't have value and action set and in same time, its upper package have no or wildcard namespace.

- Page: https://www.vulneraibility.com/cve/CVE-2018-11776
- CVSS: 8.1
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2022-05-03
- EPSS: 100.00% (percentile 100.0)
- Public exploit code: 4 on Exploit-DB · 1 Metasploit module · 17 GitHub proofs of concept · 1 Nuclei template (first 2018-08-23)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-06)
- Published: 2018-08-22

## Affected versions

- Apache Software Foundation Apache Struts: affected 2.3 to 2.3.34; 2.5 to 2.5.16

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] http://www.securitytracker.com/id/1041888
- [exploit] https://www.exploit-db.com/exploits/45367/
- [exploit] https://www.exploit-db.com/exploits/45262/
- [other] http://www.securityfocus.com/bid/105125
- [other] http://www.securitytracker.com/id/1041547
- [exploit] https://www.exploit-db.com/exploits/45260/
- [other] https://lists.apache.org/thread.html/r6d03e45b81eab03580cf7f8bb51cb3e9a1b10a2cc0c6a2d3cc92ed0c%40%3Cannounce.apache.org%3E
- [other] http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
- [other] https://www.oracle.com/security-alerts/cpujul2020.html
- [other] https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
- [other] https://security.netapp.com/advisory/ntap-20181018-0002/
- [other] https://cwiki.apache.org/confluence/display/WW/S2-057
- [other] https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2018-0012
- [other] http://www.oracle.com/technetwork/security-advisory/alert-cve-2018-11776-5072787.html
- [other] https://lgtm.com/blog/apache_struts_CVE-2018-11776
- [other] https://security.netapp.com/advisory/ntap-20180822-0001/
- [other] http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2018-005.txt
- [other] https://github.com/hook-s3c/CVE-2018-11776-Python-PoC
- [other] http://packetstormsecurity.com/files/172830/Apache-Struts-Remote-Code-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-11776

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.